| Libertyville to Popovo | 5,253.40 mi (8,454.54 km) |
| Libertyville to Provadia | 5,303.44 mi (8,535.07 km) |
| Libertyville to Radnevo | 5,294.98 mi (8,521.45 km) |
| Libertyville to Radomir | 5,175.39 mi (8,328.99 km) |
| Libertyville to Rakitovo | 5,244.13 mi (8,439.61 km) |
| Libertyville to Rakovski | 5,261.01 mi (8,466.77 km) |
| Libertyville to Razgrad | 5,254.17 mi (8,455.76 km) |
| Libertyville to Razlog | 5,226.54 mi (8,411.30 km) |
| Libertyville to Ruse | 5,220.21 mi (8,401.12 km) |
| Libertyville to Samokov | 5,207.72 mi (8,381.02 km) |
| Libertyville to Sandanski | 5,235.09 mi (8,425.06 km) |
| Libertyville to Sevlievo | 5,230.00 mi (8,416.88 km) |
| Libertyville to Shumen | 5,281.11 mi (8,499.12 km) |
| Libertyville to Silistra | 5,250.68 mi (8,450.16 km) |
| Libertyville to Sliven | 5,290.06 mi (8,513.54 km) |
